Precision in every pellet, trust in every test
A single-use, cryopreserved, passage-zero reference material containing a precisely quantitated number of viable microorganisms—engineered under ISO 17034 certification for streamlined microbial quality control in pharmaceutical testing.
- Antimicrobial Effectiveness Testing (USP <51>, EP 5.1.3, JP 4.05 I)
- Test for Burkholderia cepacia Complex (USP <60)
- Microbial Enumeration Tests (USP <61>, EP 2.6.12, JP 4.05 I)
- Tests for Specified Microorganisms (USP <62>, EP 2.6.13, JP 4.05 II) – Coming Fall 2025
- Sterility Test (USP <71>, EP 2.6.1, JP 4.06) - Coming Fall 2025
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See how rapidly MicroQuant™ pellets rehydrate!
Features and benefits
Accurate CFU counts – High- (107–108 CFU/pellet) and low-titer (100–1,000 CFU/pellet) formats.
- Single-use pellets – Cryopreserved for convenience and sterility.
- Fast rehydration – Ready to use in ~1 minute at room temp.
- 8-hour shelf life post-rehydration – Usable all day at 2–8°C.
- Fridge-stable – Stores 6–12 months at 2–8°C.
- ISO 17034 accredited –Reference Material quality.
- Original ATCC strains – Direct, passage-zero organisms.
- Global standards ready – Supports USP, EP, JP methods.
- Workflow-friendly – Saves time and reduces training.
- Dual-pack format – 5 pellets + 5 buffer vials per box.
| Features | Company A | Company B | Company C | Company D | |
| Processing time ~1 minute | ✓ | ✓ | ✓ | ||
| 2-8°C refrigeration storage | ✓ | ✓ | ✓ | ||
| Manufactured under ISO 17034 | ✓ | ✓ | ✓ | ✓ | ✓ |
| Product kit includes rehydration buffer | ✓ | ✓ | ✓ | ✓ | |
| Sourced from ATCC | ✓ | ✓ | ✓ | ||
| Provided as a passage 0 strain | ✓ |
Streamline your workflow from weeks to minutes with MicroQuant™
MicroQuant™ directly addresses the core challenges faced by microbial quality control labs by delivering precise, reproducible results through single-use, ready-to-rehydrate pellets that streamline workflows and eliminate culture maintenance.
See what others are saying about MicroQuant™
| "The MicroQuant™ format reduced setup time" | "MicroQuant™ had the most accurate CFU results" |
"MicroQuant™ had the fastest rehydration" | ”Other products are always clumping but MicroQuant™ grew with no aggregates" |
MicroQuant™ is the top performer compared to other single-use controls
| Single-use control | Observation rating | Justification |
| Company A | ★★★☆☆ | Moderate preparation with 1 hour of warming. Additional buffer needed for some formats. |
| Company B | ★★★☆☆ | Simple process but physical risks noted (pellet may miss vial, tipping risk). |
| Company C | ★★★★☆ | Simple preparation. No consumables needed. Incubator required. |
| Company D | ★★★★☆ | Simple preparation. No clumping or precipitation noted. Additional buffer needed for high CFU quantitation. |
| ★★★★★ | Simple and intuitive preparation. No clumping or precipitation. Buffer included. |
Get more information about these products
Application Note
Read our application note to learn about the development of our MicroQuant™ format and see how it delivers fast, reliable results in microbial quality control testing.
Poster
Check out our poster to see our latest data demonstrating the stability of MicroQuant™ controls following transportation and rehydration.
View our frequently asked questions
How do I process or store MicroQuant™ products after delivery?
MicroQuant™ should be placed in 2-8°C upon receipt and can be stored at this temperature for 6-12 months (See individual product pages for expiry).
My MicroQuant™ kit was mistakenly stored in the freezer. Can I still use it?
Yes, no performance impact was observed in ATCC benchmark studies following storage in a freezer.
My MicroQuant™ kit experienced a temperature excursion at room temperature, can I still use it?
MicroQuant™ vials can remain at ambient temperature for up to 2 days without any statistically significant difference as compared to items that remained in 2-8°C storage.
What steps are needed to prepare MicroQuant™ products for use?
Refer to the Instructions for Use (IFU) and the product information sheet for information on how to prepare MicroQuant™ products for use. MicroQuant™ products can be used immediately after removal from 2-8°C storage. There is no need to thaw the vials containing the rehydrating solution or pellet.
Are we able to rehydrate MicroQuant™ products then store in the refrigerator for a week or so?
The dissolved pellet should be used within 8 hours after rehydration. Refer to the product information sheet or Instructions for Use (IFU) for additional details.
One of my MicroQuant™ pellets was fractured. Can I still use it?
MicroQuant™ pellets that may be fractured during shipment are still able to be used by following the product information sheet and Instructions for Use (IFU).
What if a MicroQuant™ component vial is cracked or broken and can't be used? How do I replace it?
In the event that a vial is cracked or broken during shipment, please email our product experience specialists at [email protected].
Are the MicroQuant™ Bacillus spizizenii and Aspergillus brasiliensis products provided as cells or spores?
MicroQuant™ Bacillus spizizenii, high CFU (ATCC 6633-HQ-PACK) and MicroQuant™ Bacillus spizizenii, low CFU (ATCC 6633-LQ-PACK) are provided as cells. MicroQuant™ Aspergillus brasiliensis, high CFU (ATCC 16404-HQ-PACK) and MicroQuant™ Aspergillus brasiliensis, low CFU (ATCC 16404-LQ-PACK) are provided as spores.
What are some non-selective agars that can be used with MicroQuant™ strains?
Tryptic soy agar (TSA) plates can be used with MicroQuant™ strains.
How are MicroQuant™ products manufactured and authenticated?
MicroQuant™ products are manufactured with ATCC's rigorous seed-lot and quality management systems. The novel cryopreservation technique is proprietary and patent pending to ATCC and produces a discrete pellet that is stable at refrigeration temperatures. ATCC authenticates biological materials through a rigorous process that includes genotypic, phenotypic, and functional analyses. Please refer to the Certificate of Analysis for detailed test results and authentication data for each strain.
How do I access the Certificate of Analysis (CoA) for MicroQuant™ products?
The Certificate of Analysis (CoA) for the pellet is associated with the batch number on the label for the pellet vial. The assembled kit is assigned a different batch number and does not have a separate CoA. You may also scan the QR code on a pellet vial to directly access the CoA.
